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Model

Compare BLU J4 and vivo V20

BLU J4 vs vivo V20

BLU J4

vivo V20

BLU J4

vivo V20

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 2100
4G network

-

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE-A, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2019-10

2020-09
Status

2019-10

2020-10

Design
Build

Plastic

Aluminium alloy, glass
SIM

Dual SIM (Nano-SIM, dual stand-by)

Glass front, glass back
Height

151 mm

161.3 mm
Width

72.3 mm

74.2 mm
Thickness

10 mm

7.4 mm
Weight

158 g

171 g
Colors

Black, Blue, Brown

Sunset Melody, Midnight Jazz, Moonlight Sonata

Display
Display type

IPS LCD capacitive touchscreen

AMOLED
Physical size

5.5 inches

6.44 inches
Resolution

720 x 1440 pixels

1080 x 2400 pixels
Pixel density

293 ppi

409 ppi
Display colors

16777216

16777216
Protection

-

2.5D curved glass screen
Multitouch

Yes

-

Hardware
CPU

-

Octa-core
CPU

Quad-core 1.3 GHz Cortex-A7

Dual-core 2.3 GHz Kryo 465 Gold
CPU(second)

Hexa-core 1.8 GHz Kryo 465 Silver
Chipset

-

Qualcomm SM7125 Snapdragon 720G
GPU

Mali-400

Adreno 618
Internal storage

32 GB

128, 256 GB
Memory RAM

1 GB

8 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

64 GB

-
Storage

eMMC 5.1

-

OS
OS

Android 8.1 Oreo Go Edition

Android 11, Funtouch 11

Main camera
Camera type

Single

Triple
Main camera

8 MP

64 MP, (wide) , f/1.9 , 26 mm, 1/1.72" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
(depth) , 2 MP, f/2.4
Primary camera resolution

-

9280 x 6920 pixels
Primary camera video

720p@30fps

4K@30fps, 1080p@30/60fps, gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

-

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, super night mode

Selfie camera
Selfie camera type

-

Single
Selfie camera

8 MP

44 MP, (wide) , f/2.0
Selfie camera features

-

Autofocus, face unlock, HDR
Selfie camera video

720p@30fps

4K@30fps, 1080p@30fps, gyro-EIS

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes
Earpiece

Yes

Yes

Multimedia
Radio

FM Radio

FM Radio

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

-

Yes (market dependent)
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes

Features
Sensors

Accelerometer

Accelerometer, compass, fingerprint, gyroscope, proximity

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Po

Li-Po
Battery capacity

2200 mAh

4000 mAh
Battery removable

Removable

Non-removable
Fast battery charging

-

Yes

Cost
Price

75 USD

340 USD

Tests and performance
Antutu

-

274500 (v8)
Geekbench(multi-core)

-

1686 (v5.1)

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